(HealthDay)—Wearing masks in schools appears to sharply curtail the spread of COVID-19, despite the dominance of the highly contagious Delta variant, two new U.S. studies show. Published by the U.S....

At its peak, the current COVID-19 pandemic has all but brought social and economic life to a virtual standstill. Although lockdowns and social distancing have proven effective in bringing down infection...

The drug buprenorphine reduces relapse in patients with opioid addiction, and some emerging evidence indicates it may also help treat cocaine addiction. However, the treatment itself comes with a risk...

Australia and New Zealand moved to seal off their borders Thursday, announcing unprecedented bans on entry for non-residents in the hope of stemming the rise of COVID-19 infections. Prime Minister Scott...